shithub: libmujs

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Optimize js_stringtofloat to use integer conversion when possible.

Use strtol conversion when the number is 9 digits or less,
has no decimal point and no exponent.

--- a/jsvalue.c

+++ b/jsvalue.c

@@ -127,16 +127,21 @@

 	char *end;

 	double n;

 	const char *e = s;

+	int isflt = 0;

 	if (*e == '+' || *e == '-') ++e;

 	while (*e >= '0' && *e <= '9') ++e;

-	if (*e == '.') ++e;

+	if (*e == '.') { ++e; isflt = 1; }

 	while (*e >= '0' && *e <= '9') ++e;

 	if (*e == 'e' || *e == 'E') {

 		++e;

 		if (*e == '+' || *e == '-') ++e;

 		while (*e >= '0' && *e <= '9') ++e;

+		isflt = 1;

 	}

-	n = js_strtod(s, &end);

+	if (isflt || e - s > 9)

+		n = js_strtod(s, &end);

+	else

+		n = strtol(s, &end, 10);

 	if (end == e) {

 		*ep = (char*)e;

 		return n;